Back to EveryPatent.com
United States Patent | 5,007,556 |
Lover | April 16, 1991 |
A system accurately dispenses fluid by filling a metering chamber with fluid from a container. A barrier is used to pressurize the fluid so that substantially no vapor or gas remains within the metering chamber and so that substantially no vapor or gas exists within the containe. A metered dose is dispensed from the metering chamber through a valved outlet.
Inventors: | Lover; Myron J. (Mountainside, NJ) |
Assignee: | Block Drug Company, Inc. (Jersey City, NJ) |
Appl. No.: | 510681 |
Filed: | April 18, 1990 |
Current U.S. Class: | 222/386.5; 222/1; 222/387; 222/389; 222/402.2 |
Intern'l Class: | B65D 083/14 |
Field of Search: | 222/1,386.5,387,389,402.2 |
3089624 | May., 1963 | Micallef | 222/386. |
3104785 | Sep., 1963 | Beard, Jr. | 222/402. |
3132570 | May., 1964 | Hoffman, Jr. et al. | 222/389. |
3161330 | Dec., 1964 | Sagarin et al. | 222/402. |
3169670 | Feb., 1965 | Hrebenak et al. | 222/387. |
3245582 | Apr., 1966 | Roth et al. | 222/386. |
3273762 | Sep., 1966 | O'Neill, Jr. | 222/389. |
3275200 | Sep., 1966 | Livingstone | 222/389. |
3362589 | Jan., 1968 | Kinnavy et al. | 222/389. |
3464596 | Sep., 1969 | Meshberg | 222/402. |
4034899 | Jul., 1977 | Meshberg | 222/402. |
4346743 | Aug., 1982 | Miller | 222/386. |
4679706 | Jul., 1987 | Magid et al. | 222/402. |
4870805 | Oct., 1989 | Morane | 222/386. |
4909420 | Mar., 1990 | Reyner | 222/386. |
4919312 | Apr., 1990 | Beard et al. | 222/402. |